code: def serialize_obj(obj):
      raise NotImplementedError(
          "Unsupported type: {}".format(type(obj))
      )
  
file_path: FATE/python/fate/arch/computing/serdes/_safe_serdes.py
imports: import enum
  import struct
  from functools import singledispatch
label_desc: Use image node_id 3 for calling a global function with example usage: serialize_obj(obj) without return types